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using System;

namespace ConsoleApp3
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string userName = "";
            char userChar = ' ';
            int userNameLengh = 0;
            int index;
            string border = "";
            string nameString = "";

            Console.Write("Введите ваше имя: ");
            userName = Console.ReadLine();

            Console.Write("Введите символ для рамки: ");
            userChar = Convert.ToChar(Console.ReadLine());

            nameString = userChar + userName + userChar;
            userNameLengh = nameString.Length;

            for (index = 0; index < userNameLengh; index++)
            {
                border += userChar;
            }

            Console.WriteLine(border + "\n" + nameString + "\n" + border);
        }
    }
}